Set of four ivory triangular rules in cardboard case

Set of four ivory triangular rules, stamped with various conversions, arranged by William Ellis Metford, and made by Pastorelli and Company, London, 1850-1869

Collection

Science Museum

Inventory Number

3023696

Title

Set of four ivory triangular rules in cardboard case

Object Type

PhysicalObject

Measurements

- overall (in case): 21 mm x 165 mm x 37 mm, .144kg